1. Writing a Lab Report

2. Major Parts of a Lab Report
Title
Introduction/purpose
Hypothesis
List of Materials
Procedure
Observations (in reflection)
Data Chart
Conclusion
Reflection/inferences

3. Introduction/Purpose
Describe why you are performing this investigation.
Explain how you are going to prove or disprove you theory or hypothesis.
Why is it important to test this?
COMPLETE SENTENCES

4. Hypothesis Explain your ideas about the experiment.
Describe your best guess about the results of the experiment
Why do you think that?
“if” “then” statement

5. Procedure Describe step by step “what to do”
What safety cautions should you be concerned with.
Detailed
Complete sentences and complete thought
Be careful of using “it”

6. Observations
Describe the initial visual appearance and any other information using your senses
Describe any changes during the experiment.
Describe the result of the experiment

7. Data Chart / Graph
Time (s)
Position (m) 1 6 2 12 3 18 4 24
Organize your observations and measurements in a clear chart or graph

8. Conclusion Reject or accept hypothesis
Describe how your data supports the rejecting or accepting of your hypothesis

9. Reflection/Inferences
Explain each major observation.
Tell why the changes in your experiment happened.
Describe why you arrived at the final result.
What problems/unexpected events occurred?
How should you improve the experiment?

10. Summary Lab reports represent 25% of your quarterly grade
You must include all sections of the report
Use Word and/or Excel to compose your lab